1 /*
2  * Copyright (C) 2017 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
5  * except in compliance with the License. You may obtain a copy of the License at
6  *
7  *      http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software distributed under the
10  * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
11  * KIND, either express or implied. See the License for the specific language governing
12  * permissions and limitations under the License.
13  */
14 
15 package com.android.systemui.utils.leaks;
16 
17 import android.testing.LeakCheck;
18 import android.testing.LeakCheck.Tracker;
19 
20 import com.android.systemui.Dumpable;
21 import com.android.systemui.statusbar.policy.CallbackController;
22 
23 import java.io.FileDescriptor;
24 import java.io.PrintWriter;
25 
26 public class BaseLeakChecker<T> implements CallbackController<T>, Dumpable {
27 
28     private final Tracker mTracker;
29 
BaseLeakChecker(LeakCheck test, String tag)30     public BaseLeakChecker(LeakCheck test, String tag) {
31         mTracker = test.getTracker(tag);
32     }
33 
getTracker()34     protected final Tracker getTracker() {
35         return mTracker;
36     }
37 
38     @Override
addCallback(T listener)39     public void addCallback(T listener) {
40         mTracker.getLeakInfo(listener).addAllocation(new Throwable());
41     }
42 
43     @Override
removeCallback(T listener)44     public void removeCallback(T listener) {
45         mTracker.getLeakInfo(listener).clearAllocations();
46     }
47 
48     @Override
dump(FileDescriptor fd, PrintWriter pw, String[] args)49     public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
50 
51     }
52 }
53